Finding the Fourth Proportional to 448,305.60, 618,653.28 and 244,358.40
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Solution
The fourth proportional to 448,305.60, 618,653.28 and 244,358.40 is: 337,209.99
Step by Step Solution
- Step 1: Write the proportion equation
448,305.60 : 618,653.28 = 244,358.40 : x - Step 2: Convert to fraction form
448,305.60/618,653.28 = 244,358.40/x - Step 3: Cross multiply
448,305.60x = 618,653.28 × 244,358.40 - Step 4: Simplify right side
448,305.60x = 151,173,125,655.55 - Step 5: Solve for x
x = 151,173,125,655.55/448,305.60 - Step 6: Final answer
x = 337,209.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.